Bosch B4512 Installation Manual

Control Panels System wiring diagrams | en 79
Bosch Security Systems, Inc. Installation Manual 2018.07 | 16 | F.01U.287.180
7 COM 8
C
OUTPUT
B
1 k End of Line Resistors
Voltage Ranges
ON-BOARD POINTS
3.7 - 5.0 VDC
2.0 - 3.0 VDC
0.0 - 1.3 VDC
Open
Normal
Short
3 COM 4 5 COM 61 COM 2
R Y G B
SDI2
Device Bus
AUX
- 12 V +
TMPR
1 COM 2 7 COM 83 COM 4 5 COM 6
RESET
COM AUX R Y G B
PWR A B COM
B C
OUTPUT
Figure18.1: SDI2 bus wiring recommendations (B5512 shown)
Callout ᅳ Description
1 ᅳ Control panel
2 ᅳ SDI2 device (module or keypad)
3 ᅳ Daisy chain wiring
4 ᅳ Single-level T-tapped wiring
5 ᅳ Home run wiring
Notice!
There can only be a difference of 2 volts (maximum) between the AUX power terminals of the
control panel or power supply and the device for the modules and keypads to work properly
under all conditions.

Bosch B4512 Specifications

General

Control Panel Type	Hybrid
Wired Zones	8
Outputs	2
Programmable Outputs	2
Onboard Ethernet	Yes
Cellular Communication	Optional
Series	B Series
Partitions	2
Type	Control Panel
Model	B4512
Manufacturer	Bosch
Input Voltage	16.5 VAC
Communication Formats	Contact ID, SIA
Power Supply	16.5 VAC
Backup Battery	12 V, 7 Ah
Operating Temperature	0°C to +50°C
Weight	1.5 kg
Compatibility	Bosch accessories